def astype(self, index_ops: IndexOpsLike, dtype: Union[str, type, Dtype]) -> IndexOpsLike:
dtype, spark_type = pandas_on_spark_type(dtype)
if is_integer_dtype(dtype) and not isinstance(dtype, extension_dtypes):
if index_ops.hasnans:
raise ValueError(
"Cannot convert %s with missing values to integer" % self.pretty_name
)
elif is_bool_dtype(dtype) and not isinstance(dtype, extension_dtypes):
if index_ops.hasnans:
raise ValueError("Cannot convert %s with missing values to bool" % self.pretty_name)
if isinstance(dtype, CategoricalDtype):
return _as_categorical_type(index_ops, dtype, spark_type)
elif isinstance(spark_type, BooleanType):
if isinstance(dtype, extension_dtypes):
scol = index_ops.spark.column.cast(spark_type)
else:
scol = F.when(
index_ops.spark.column.isNull() | F.isnan(index_ops.spark.column),
SF.lit(True),
).otherwise(index_ops.spark.column.cast(spark_type))
return index_ops._with_new_scol(
scol.alias(index_ops._internal.data_spark_column_names[0]),
field=index_ops._internal.data_fields[0].copy(dtype=dtype, spark_type=spark_type),
)
elif isinstance(spark_type, StringType):
return _as_string_type(index_ops, dtype, null_str=str(np.nan))
else:
return _as_other_type(index_ops, dtype, spark_type)
def astype(self, index_ops: IndexOpsLike,
dtype: Union[str, type, Dtype]) -> IndexOpsLike:
dtype, spark_type = pandas_on_spark_type(dtype)
if isinstance(dtype, CategoricalDtype):
return _as_categorical_type(index_ops, dtype, spark_type)
elif isinstance(spark_type, BooleanType):
return _as_bool_type(index_ops, dtype)
elif isinstance(spark_type, StringType):
if isinstance(dtype, extension_dtypes):
scol = F.when(
index_ops.spark.column.isNotNull(),
F.when(index_ops.spark.column, "True").otherwise("False"),
)
else:
null_str = str(None)
casted = F.when(index_ops.spark.column,
"True").otherwise("False")
scol = F.when(index_ops.spark.column.isNull(),
null_str).otherwise(casted)
return index_ops._with_new_scol(
scol.alias(index_ops._internal.data_spark_column_names[0]),
field=InternalField(dtype=dtype),
)
else:
return _as_other_type(index_ops, dtype, spark_type)
def astype(self, index_ops: T_IndexOps, dtype: Union[str, type,
Dtype]) -> T_IndexOps:
dtype, spark_type = pandas_on_spark_type(dtype)
if isinstance(dtype, CategoricalDtype):
return _as_categorical_type(index_ops, dtype, spark_type)
elif isinstance(spark_type, BooleanType):
return _as_bool_type(index_ops, dtype)
elif isinstance(spark_type, StringType):
if isinstance(dtype, extension_dtypes):
# seems like a pandas' bug?
scol = F.when(index_ops.spark.column.isNull(),
str(pd.NaT)).otherwise(
index_ops.spark.column.cast(spark_type))
else:
null_str = str(pd.NaT)
casted = index_ops.spark.column.cast(spark_type)
scol = F.when(index_ops.spark.column.isNull(),
null_str).otherwise(casted)
return index_ops._with_new_scol(
scol.alias(index_ops._internal.data_spark_column_names[0]),
field=InternalField(dtype=dtype),
)
else:
return _as_other_type(index_ops, dtype, spark_type)
def astype(self, index_ops: IndexOpsLike,
dtype: Union[str, type, Dtype]) -> IndexOpsLike:
dtype, spark_type = pandas_on_spark_type(dtype)
if isinstance(dtype, CategoricalDtype):
return _as_categorical_type(index_ops, dtype, spark_type)
elif isinstance(spark_type, BooleanType):
return _as_bool_type(index_ops, dtype)
elif isinstance(spark_type, StringType):
if isinstance(dtype, extension_dtypes):
scol = F.when(
index_ops.spark.column.isNotNull(),
F.when(index_ops.spark.column, "True").otherwise("False"),
)
nullable = index_ops.spark.nullable
else:
null_str = str(pd.NA) if isinstance(
self, BooleanExtensionOps) else str(None)
casted = F.when(index_ops.spark.column,
"True").otherwise("False")
scol = F.when(index_ops.spark.column.isNull(),
null_str).otherwise(casted)
nullable = False
return index_ops._with_new_scol(
scol,
field=index_ops._internal.data_fields[0].copy(
dtype=dtype, spark_type=spark_type, nullable=nullable),
)
else:
return _as_other_type(index_ops, dtype, spark_type)
def astype(self, index_ops: T_IndexOps, dtype: Union[str, type,
Dtype]) -> T_IndexOps:
dtype, spark_type = pandas_on_spark_type(dtype)
if isinstance(dtype, CategoricalDtype):
return _as_categorical_type(index_ops, dtype, spark_type)
elif isinstance(spark_type, BooleanType):
if isinstance(dtype, extension_dtypes):
scol = index_ops.spark.column.cast(spark_type)
else:
if isinstance(index_ops.spark.data_type,
(FloatType, DoubleType)):
scol = F.when(
index_ops.spark.column.isNull()
| F.isnan(index_ops.spark.column),
F.lit(True),
).otherwise(index_ops.spark.column.cast(spark_type))
else: # DecimalType
scol = F.when(index_ops.spark.column.isNull(),
F.lit(False)).otherwise(
index_ops.spark.column.cast(spark_type))
return index_ops._with_new_scol(
scol.alias(index_ops._internal.data_spark_column_names[0]),
field=InternalField(dtype=dtype),
)
elif isinstance(spark_type, StringType):
return _as_string_type(index_ops, dtype, null_str=str(np.nan))
else:
return _as_other_type(index_ops, dtype, spark_type)
def _non_fractional_astype(index_ops: IndexOpsLike, dtype: Dtype,
spark_type: DataType) -> IndexOpsLike:
if isinstance(dtype, CategoricalDtype):
return _as_categorical_type(index_ops, dtype, spark_type)
elif isinstance(spark_type, BooleanType):
return _as_bool_type(index_ops, dtype)
elif isinstance(spark_type, StringType):
return _as_string_type(index_ops, dtype, null_str=str(np.nan))
else:
return _as_other_type(index_ops, dtype, spark_type)
def astype(self, index_ops: IndexOpsLike, dtype: Union[str, type, Dtype]) -> IndexOpsLike:
dtype, spark_type = pandas_on_spark_type(dtype)
if isinstance(dtype, CategoricalDtype):
return _as_categorical_type(index_ops, dtype, spark_type)
elif isinstance(spark_type, BooleanType):
return _as_bool_type(index_ops, dtype)
elif isinstance(spark_type, StringType):
return _as_string_type(index_ops, dtype, null_str=str(np.nan))
else:
return _as_other_type(index_ops, dtype, spark_type)
def astype(self, index_ops: IndexOpsLike, dtype: Union[str, type, Dtype]) -> IndexOpsLike:
dtype, spark_type = pandas_on_spark_type(dtype)
if isinstance(dtype, CategoricalDtype):
return _as_categorical_type(index_ops, dtype, spark_type)
elif isinstance(spark_type, BooleanType):
raise TypeError("cannot astype a %s to [bool]" % self.pretty_name)
elif isinstance(spark_type, StringType):
return _as_string_type(index_ops, dtype, null_str=str(pd.NaT))
else:
return _as_other_type(index_ops, dtype, spark_type)
def astype(self, index_ops: Union["Index", "Series"],
dtype: Union[str, type, Dtype]) -> Union["Index", "Series"]:
dtype, spark_type = pandas_on_spark_type(dtype)
if isinstance(dtype, CategoricalDtype):
return _as_categorical_type(index_ops, dtype, spark_type)
elif isinstance(spark_type, BooleanType):
return _as_bool_type(index_ops, dtype)
elif isinstance(spark_type, StringType):
return _as_string_type(index_ops, dtype)
else:
return _as_other_type(index_ops, dtype, spark_type)
def astype(self, index_ops: IndexOpsLike,
dtype: Union[str, type, Dtype]) -> IndexOpsLike:
dtype, spark_type = pandas_on_spark_type(dtype)
if isinstance(dtype, CategoricalDtype):
return _as_categorical_type(index_ops, dtype, spark_type)
elif isinstance(spark_type, BooleanType):
# Cannot cast binary to boolean in Spark.
# We should cast binary to str first, and cast it to boolean
return index_ops.astype(str).astype(bool)
elif isinstance(spark_type, StringType):
return _as_string_type(index_ops, dtype)
else:
return _as_other_type(index_ops, dtype, spark_type)
def astype(self, index_ops: IndexOpsLike,
dtype: Union[str, type, Dtype]) -> IndexOpsLike:
dtype, spark_type = pandas_on_spark_type(dtype)
if isinstance(dtype, CategoricalDtype):
return _as_categorical_type(index_ops, dtype, spark_type)
elif isinstance(spark_type, BooleanType):
return index_ops._with_new_scol(
index_ops.spark.column.isNotNull(),
field=index_ops._internal.data_fields[0].copy(
dtype=np.dtype(bool),
spark_type=spark_type,
nullable=False),
)
elif isinstance(spark_type, StringType):
return _as_string_type(index_ops, dtype, null_str=str(pd.NaT))
else:
return _as_other_type(index_ops, dtype, spark_type)
def astype(self, index_ops: Union["Index", "Series"],
dtype: Union[str, type, Dtype]) -> Union["Index", "Series"]:
dtype, spark_type = pandas_on_spark_type(dtype)
if isinstance(dtype, CategoricalDtype):
return _as_categorical_type(index_ops, dtype, spark_type)
if isinstance(spark_type, BooleanType):
if isinstance(dtype, extension_dtypes):
scol = index_ops.spark.column.cast(spark_type)
else:
scol = F.when(index_ops.spark.column.isNull(),
F.lit(False)).otherwise(
F.length(index_ops.spark.column) > 0)
return index_ops._with_new_scol(
scol.alias(index_ops._internal.data_spark_column_names[0]),
field=InternalField(dtype=dtype),
)
elif isinstance(spark_type, StringType):
return _as_string_type(index_ops, dtype)
else:
return _as_other_type(index_ops, dtype, spark_type)
def astype(self, index_ops: IndexOpsLike, dtype: Union[str, type, Dtype]) -> IndexOpsLike:
dtype, spark_type = pandas_on_spark_type(dtype)
if isinstance(dtype, CategoricalDtype):
return _as_categorical_type(index_ops, dtype, spark_type)
if isinstance(spark_type, BooleanType):
if isinstance(dtype, extension_dtypes):
scol = index_ops.spark.column.cast(spark_type)
else:
scol = F.when(index_ops.spark.column.isNull(), SF.lit(False)).otherwise(
F.length(index_ops.spark.column) > 0
)
return index_ops._with_new_scol(
scol,
field=index_ops._internal.data_fields[0].copy(dtype=dtype, spark_type=spark_type),
)
elif isinstance(spark_type, StringType):
null_str = str(pd.NA) if isinstance(self, StringExtensionOps) else str(None)
return _as_string_type(index_ops, dtype, null_str=null_str)
else:
return _as_other_type(index_ops, dtype, spark_type)
